Multiple Choice
A student wanted to quickly construct a 95% confidence interval for the average age of students in her statistics class. She randomly selected 9 students. Their average age was 19.1 years with a standard deviation of 1.5 years. What is the 99% confidence interval for the population mean?
A) [17.42, 20.78]
B) [17.48, 20.72]
C) [14.23, 23.98]
D) [0.44, 3.80]
E) [17.95, 20.25]
Correct Answer:
Verified
Correct Answer:
Verified
Q3: A 95 percent confidence interval implies that
Q95: A pharmaceutical company wanted to estimate the
Q96: The following summarizes the amount of snowfall
Q97: Which of the following would be
Q98: The following summarizes the amount of snowfall
Q100: How does the t distribution differ from
Q101: A survey of 25 grocery stores revealed
Q102: i. The t distribution is based on
Q114: A student wanted to quickly construct a
Q134: The Sugar Producers Association wants to estimate